njrat | 944b9d19590f1a55e501dd1305968a718c2cbcc25ec4eeaba4b31d2ffae2e328

General

Target

c688771d462dd43de49442bc6297db435c3138dddb7625e4d2fccb145463ac22.exe
Size

34KB
MD5

24b2856cb9840f3b7131827e32cb73c9
SHA1

306e69487143bb3756cba328f20aa55a3482c38c
SHA256

c688771d462dd43de49442bc6297db435c3138dddb7625e4d2fccb145463ac22
SHA512

8fef74742bca9faec30c144e9eec5e8fc4ac8f6d1fc1f680a2cf278c6511e6d1d11746e882a406b0cc2d79194a31c16e523930cc8f2866617c2f6232dc20b3e7
SSDEEP

768:b717qEQ4Un/guyq6tZ1f+escElzYcHeIm:b717Q4sDF6Z1mesbEI

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

amazon.thedreamsop.com:2211

Mutex

Microsoft® Windows® Operating System

Attributes

reg_key
Microsoft® Windows® Operating System
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1516	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1468	explorer.exe
1796	explorer.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\Intel(R) Common User = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\explorer.exe"	c688771d462dd43de49442bc6297db435c3138dddb7625e4d2fccb145463ac22.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\explorer.exe\" .."	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\explorer.exe\" .."	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	explorer.exe
Token: 33	1796	explorer.exe
Token: SeIncBasePriorityPrivilege	1796	explorer.exe
Token: 33	1796	explorer.exe
Token: SeIncBasePriorityPrivilege	1796	explorer.exe
Token: 33	1796	explorer.exe
Token: SeIncBasePriorityPrivilege	1796	explorer.exe
Token: 33	1796	explorer.exe
Token: SeIncBasePriorityPrivilege	1796	explorer.exe
Token: 33	1796	explorer.exe
Token: SeIncBasePriorityPrivilege	1796	explorer.exe
Token: 33	1796	explorer.exe
Token: SeIncBasePriorityPrivilege	1796	explorer.exe
Token: 33	1796	explorer.exe
Token: SeIncBasePriorityPrivilege	1796	explorer.exe
Token: 33	1796	explorer.exe
Token: SeIncBasePriorityPrivilege	1796	explorer.exe
Token: 33	1796	explorer.exe
Token: SeIncBasePriorityPrivilege	1796	explorer.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1468	2032	c688771d462dd43de49442bc6297db435c3138dddb7625e4d2fccb145463ac22.exe	28
PID 2032 wrote to memory of 1468	2032	c688771d462dd43de49442bc6297db435c3138dddb7625e4d2fccb145463ac22.exe	28
PID 2032 wrote to memory of 1468	2032	c688771d462dd43de49442bc6297db435c3138dddb7625e4d2fccb145463ac22.exe	28
PID 1468 wrote to memory of 1796	1468	explorer.exe	29
PID 1468 wrote to memory of 1796	1468	explorer.exe	29
PID 1468 wrote to memory of 1796	1468	explorer.exe	29
PID 1796 wrote to memory of 1516	1796	explorer.exe	30
PID 1796 wrote to memory of 1516	1796	explorer.exe	30
PID 1796 wrote to memory of 1516	1796	explorer.exe	30

C:\Users\Admin\AppData\Local\Temp\c688771d462dd43de49442bc6297db435c3138dddb7625e4d2fccb145463ac22.exe
"C:\Users\Admin\AppData\Local\Temp\c688771d462dd43de49442bc6297db435c3138dddb7625e4d2fccb145463ac22.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Roaming\Microsoft\explorer.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\explorer.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1468
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1796
  - - C:\Windows\system32\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe" "explorer.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:1516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe

Filesize
259KB

MD5
46f5111c7c871155091f0a7810b02235

SHA1
1a6e436333ba021e6971afd72c1ab880e3732308

SHA256
c0ee79dfade9330fa524500595c9a3489be87d8017e18a1a3997991de761603a

SHA512
538523ca4a06f824d3b8168107516e9bafefd54c21ec328c538be9323e1da2accb01f6fb8b6dfae5013e9f382f0159ed8c41ee491514adf5702aecf2ece5d870

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe

Filesize
259KB

MD5
46f5111c7c871155091f0a7810b02235

SHA1
1a6e436333ba021e6971afd72c1ab880e3732308

SHA256
c0ee79dfade9330fa524500595c9a3489be87d8017e18a1a3997991de761603a

SHA512
538523ca4a06f824d3b8168107516e9bafefd54c21ec328c538be9323e1da2accb01f6fb8b6dfae5013e9f382f0159ed8c41ee491514adf5702aecf2ece5d870

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe

Filesize
259KB

MD5
46f5111c7c871155091f0a7810b02235

SHA1
1a6e436333ba021e6971afd72c1ab880e3732308

SHA256
c0ee79dfade9330fa524500595c9a3489be87d8017e18a1a3997991de761603a

SHA512
538523ca4a06f824d3b8168107516e9bafefd54c21ec328c538be9323e1da2accb01f6fb8b6dfae5013e9f382f0159ed8c41ee491514adf5702aecf2ece5d870

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\explorer.exe

Filesize
259KB

MD5
46f5111c7c871155091f0a7810b02235

SHA1
1a6e436333ba021e6971afd72c1ab880e3732308

SHA256
c0ee79dfade9330fa524500595c9a3489be87d8017e18a1a3997991de761603a

SHA512
538523ca4a06f824d3b8168107516e9bafefd54c21ec328c538be9323e1da2accb01f6fb8b6dfae5013e9f382f0159ed8c41ee491514adf5702aecf2ece5d870

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\explorer.exe

Filesize
259KB

MD5
46f5111c7c871155091f0a7810b02235

SHA1
1a6e436333ba021e6971afd72c1ab880e3732308

SHA256
c0ee79dfade9330fa524500595c9a3489be87d8017e18a1a3997991de761603a

SHA512
538523ca4a06f824d3b8168107516e9bafefd54c21ec328c538be9323e1da2accb01f6fb8b6dfae5013e9f382f0159ed8c41ee491514adf5702aecf2ece5d870

Download Submit
memory/1468-66-0x0000000002020000-0x00000000020A0000-memory.dmp

Filesize
512KB

Download
memory/1468-64-0x0000000000410000-0x0000000000420000-memory.dmp

Filesize
64KB

Download
memory/1468-65-0x00000000004E0000-0x00000000004EC000-memory.dmp

Filesize
48KB

Download
memory/1468-63-0x0000000000A70000-0x0000000000AB8000-memory.dmp

Filesize
288KB

Download
memory/1796-72-0x0000000000120000-0x0000000000168000-memory.dmp

Filesize
288KB

Download
memory/1796-73-0x0000000002040000-0x00000000020C0000-memory.dmp

Filesize
512KB

Download
memory/1796-74-0x0000000002040000-0x00000000020C0000-memory.dmp

Filesize
512KB

Download
memory/1796-75-0x0000000002040000-0x00000000020C0000-memory.dmp

Filesize
512KB

Download
memory/1796-76-0x0000000002040000-0x00000000020C0000-memory.dmp

Filesize
512KB

Download
memory/2032-54-0x0000000000390000-0x000000000039E000-memory.dmp

Filesize
56KB

Download
memory/2032-56-0x0000000002110000-0x0000000002190000-memory.dmp

Filesize
512KB

Download
memory/2032-55-0x0000000000190000-0x0000000000198000-memory.dmp

Filesize
32KB

Download

Analysis

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